Tag Archives: security

Three methods of determining if QoS is enabled on a WLAN via packet capture

Method 1: Presence of tagged parameter containing WMM in beacon 2. Choose a frame that contains Beacon Frame in the “Info” column of the Packet List Pane. Alternatively, you can use Wireshark display filter wlan.fc.type_subtype == 8 3. Expand the IEEE 802.11 Wireless Management and Tagged parameters headers in the Packet Details Pane 4. If there is a “Tagged parameter” containing WMM, then this WLAN has QoS enabled 5. Conversely,Continue reading “Three methods of determining if QoS is enabled on a WLAN via packet capture”

802.11 Multicast Delivery

I went through 8 years of my career in networking without having to know a thing about multicast. I was first exposed when onboarding network requirements for IPTV on hospitality networks. Currently I support wireless clients that use multicast to send audio to multiple recipients. Oftentimes I am asking customers to take packet captures forContinue reading “802.11 Multicast Delivery”